“I have a dyson cool 800sq.ft tower and after cleaning it wont restart a solid F4 appears i have tried to restart many times and will still not activate fan but it will turn from side to side is it now junk it is 2 years old this model was 400.00 at time.”
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Hello Brian, this is Kelly with Dyson. The 'F' code on your display is indicative that your non-washable filter needs to be replaced. You can still use the fan, but it won't be actively purifying your air. If you need assistance with your purifier, please feel free to contact us directly for help, via email at [email protected]. It would be our pleasure to provide support. Best wishes, Kelly Dyson Customer Support
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